Home / 198,639,125.52-297,765,376.59-94,981,558.47

Finding the Fourth Proportional to 198,639,125.52, 297,765,376.59 and 94,981,558.47

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Solution

The fourth proportional to 198,639,125.52, 297,765,376.59 and 94,981,558.47 is: 142,379,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,639,125.52 : 297,765,376.59 = 94,981,558.47 : x
  2. Step 2: Convert to fraction form
    198,639,125.52/297,765,376.59 = 94,981,558.47/x
  3. Step 3: Cross multiply
    198,639,125.52x = 297,765,376.59 × 94,981,558.47
  4. Step 4: Simplify right side
    198,639,125.52x = 28,282,219,527,839,144
  5. Step 5: Solve for x
    x = 28,282,219,527,839,144/198,639,125.52
  6. Step 6: Final answer
    x = 142,379,903.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.